Hair comb



FIG. 1 is a front elevational view of a hair comb showing my new design;

FIG. 2 is a left side elevational view thereof, the opposite side being a mirror image of the side shown;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a sectional view taken on line 4--4 of FIG. 1; and

FIG. 5 is a sectional view taken on the line 5--5 of FIG. 1. 

The ornamental design for a hair comb, as shown and described. 